Method shouldIgnoreDir

src/sync/watcher.ts:654–660

* True for any directory that should NOT be watched (used while building the * Linux per-directory watch tree). Tests the directory form of the path so a * dir-only ignore rule like `build/` matches.

(dirPath: string)

   * dir-only ignore rule like `build/` matches.
   */
  private shouldIgnoreDir(dirPath: string): boolean {
    const rel = normalizePath(path.relative(this.projectRoot, dirPath));
    if (!rel || rel === '.' || rel.startsWith('..')) return false; // root / outside
    if (this.isAlwaysIgnored(rel)) return true;
    if (!this.ignoreMatcher) return false;
    return this.ignoreMatcher.ignores(rel + '/');
  }

  /**
   * Permanently disable live watching after a terminal runtime failure